SEIKO Original Gehäusedichtung / Case Back Gasket - Ref. EC3160B – 31,6 mm – NOS GMT – Genuine calfskin – Colour:

– Genuine calfskin – Colour: 07 – Mocha – Manufacturing method: Cut tape – Band thickness: 5

and the harmonious interplay of the blue dial and cognac-colored leather strap

Modell RS10C18BK

battery and housing seal replaced in October 2025

Krone: signiert

SEIKO Original Gehäusedichtung / Case Back Gasket - Ref. EC3160B – 31,6 mm – NOS GMT – Genuine calfskin – Colour:The original SEIKO case gasket ( part number EC3160B ) is from old stock (NOS) and is designed for numerous classic SEIKO watches. It seals the case back and is a typical replacement part for servicing and professionally repairing vintage SEIKO models. Technical specifications Manufacturer: SEIKO Original part number: EC3160B Type: Case Back Packing Seal Condition: New Old Stock (unused, in original packaging) Color: Black Material: Original SEIKO